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Friday, January 27, 2012

ScienceDaily: Top Health News

ScienceDaily: Top Health News


How viruses evolve, and in some cases, become deadly

Posted: 26 Jan 2012 07:45 PM PST

Researchers have demonstrated how a new virus evolves, shedding light on how easy it can be for diseases to gain dangerous mutations.

Family history of psychiatric disorders shapes intellectual interests, study suggests

Posted: 26 Jan 2012 07:43 PM PST

A family history of psychiatric conditions such as autism and depression could influence the subjects a person finds engaging, new research suggests. Although preliminary, the findings provide a new look at the oft-studied link between psychiatric conditions and aptitude in the arts or sciences.

Leukemia cells are 'bad to the bone', research finds

Posted: 26 Jan 2012 01:11 PM PST

Researchers have discovered new links between leukemia cells and cells involved in bone formation, offering a fresh perspective on how the blood cancer progresses and raising the possibility that therapies for bone disorders could help in the treatment of leukemia.

Rap music powers rhythmic action of medical sensor

Posted: 26 Jan 2012 12:21 PM PST

The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.

Scientists link evolved, mutated gene module to syndromic autism

Posted: 26 Jan 2012 11:36 AM PST

Medical researchers reports that newly discovered mutations in an evolved assembly of genes cause Joubert syndrome, a form of syndromic autism.

Obesity and pain linked, study of one million Americans shows

Posted: 26 Jan 2012 11:29 AM PST

A clear association between obesity and pain -- with higher rates of pain identified in the heaviest individuals -- was found in a study of more than one million Americans.

Rotational motion of cells plays a critical role in their normal development, researchers find

Posted: 26 Jan 2012 09:37 AM PST

Researchers have discovered a rotational motion that plays a critical role in the ability of breast cells to form the spherical structures in the mammary gland known as acini. This rotation, called "CAMo," for coherent angular motion, is necessary for the cells to form spheres. Otherwise, cells undergo random motion, leading to loss of structure and malignancy.

Scientists map one of life's molecular mysteries: Visualisation of the molecular gateway across and into cellular membranes

Posted: 26 Jan 2012 09:37 AM PST

All living organisms are made up of cells, behind these intricate life forms lie complex cellular processes that allow our bodies to function. Researchers working on protein secretion -- a fundamental process in biology -- have revealed how protein channels in the membrane are activated by special signals contained in proteins destined for secretion. The results help explain the underlying mechanism responsible for the release of proteins such as hormones and antibodies into the blood stream.

Genetic screens bring new hope for tackling sleeping sickness

Posted: 25 Jan 2012 10:12 AM PST

New genetic technique allows to look into the mechanism of action of the drugs used to treat sleeping sickness for the first time and to understand how resistance develops.

Learning to 'talk things through in your head' may help people with autism

Posted: 24 Jan 2012 05:01 PM PST

Teaching children with autism to "talk things through in their head" may help them to solve complex day-to-day tasks, which could increase the chances of independent, flexible living later in life, according to new research.

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